Seating device



FIG. 1 is a front perspective view of an ornamental design for a seating device;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left elevation view thereof;

FIG. 5 is a right elevation view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

In the drawings, the broken lines depict portions of the seating device that form no part of the claimed design. 

CLAIM The ornamental design for a seating device, substantially as shown and described. 